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Ranciéite On Manganomelane

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CLB173842

Ranciéite On Manganomelane

Classic Locality

Description Tabs

Description
Locality: 
Winterberg Quarry, Iberg, Bad Grund, Lower Saxony, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.7 × 2.5 cm
Description

Bronce-colored ranciéite on black manganomelane.

Mineral Data
What's on the rock

Ranciéite

Formula: 
(Ca,Mn)Mn4O9·3H2O
Strunz: 
4.FL.40
Crystal System: 
Hexagonal
Hardness: 
2.5 - 3.0
Type Locality: 
Le Rancié Mine, Sem, Vicdessos, Ariège, Midi-Pyrénées, France

Manganomelane

Synonym Of: 

Psilomelane

Pyrolusite

Formula: 
MnO2
Strunz: 
4.DB.05
Hardness: 
2.0 - 6.5

Wad

Hardness: 
1 - 6.5

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